From 54635da5a7bea31fb7c3864229469f1c464bd4cf Mon Sep 17 00:00:00 2001
From: dinkc64 <terra79pin@yahoo.com>
Date: Sun, 2 Feb 2025 09:03:27 -0500
Subject: [PATCH] nes, add famidash

---
 src/burn/drv/nes/d_nes.cpp | 19 +++++++++++++++++++
 src/burn/drv/nes/nes.cpp   |  4 +++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/burn/drv/nes/d_nes.cpp b/src/burn/drv/nes/d_nes.cpp
index 1b13b5ed5..a6aa96c66 100644
--- a/src/burn/drv/nes/d_nes.cpp
+++ b/src/burn/drv/nes/d_nes.cpp
@@ -14723,6 +14723,25 @@ struct BurnDriver BurnDrvnes_fallingtiles = {
 	SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT
 };
 
+// Famidash feb.02.2025-git build
+// if gets updated, make sure to change crc in nes.cpp! (search: famidash)
+static struct BurnRomInfo nes_famidashRomDesc[] = {
+	{ "Famidash (2024)(tfdsoft).nes",          786448, 0x9cc0ee5b, BRF_ESS | BRF_PRG },
+};
+
+STD_ROM_PICK(nes_famidash)
+STD_ROM_FN(nes_famidash)
+
+struct BurnDriver BurnDrvnes_famidash = {
+	"nes_famidash", NULL, NULL, NULL, "2024",
+	"Famidash (HB)\0", NULL, "Nintendo", "Miscellaneous",
+	NULL, NULL, NULL, NULL,
+	BDF_GAME_WORKING | BDF_HOMEBREW, 2, HARDWARE_NES, GBF_MISC, 0,
+	NESGetZipName, nes_famidashRomInfo, nes_famidashRomName, NULL, NULL, NULL, NULL, NESInputInfo, NESDIPInfo,
+	NESInit, NESExit, NESFrame, NESDraw, NESScan, &NESRecalc, 0x40,
+	SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT
+};
+
 // Family Picross! (HB)
 static struct BurnRomInfo nes_familypicrossRomDesc[] = {
 	{ "Family Picross! (2018)(FG Software).nes",          40976, 0xbd459402, BRF_ESS | BRF_PRG },
diff --git a/src/burn/drv/nes/nes.cpp b/src/burn/drv/nes/nes.cpp
index ea4f33f7f..08ac3fe05 100644
--- a/src/burn/drv/nes/nes.cpp
+++ b/src/burn/drv/nes/nes.cpp
@@ -484,14 +484,16 @@ static INT32 cartridge_load(UINT8* ROMData, UINT32 ROMSize, UINT32 ROMCRC)
 
 	// Game-specific stuff:
 	// Mapper 7 or 4-way mirroring usually gets no workram (6000-7fff)
-	if (Cart.Mapper == 7 || (Cart.Mirroring == 4 && !(PPUType > RP2C02)))
+	if (Cart.Mapper == 7 || (Cart.Mirroring == 4 && ((PPUType == RP2C02) && !Cart.BatteryBackedSRAM ) )) {
 		NESMode |= NO_WORKRAM; // VS. is exempt from this limitation.
+	}
 
 	NESMode |= (ROMCRC == 0xab29ab28) ? BUS_CONFLICTS : 0; // Dropzone
 	NESMode |= (ROMCRC == 0xe3a6d7f6) ? BUS_CONFLICTS : 0; // Cybernoid
 	NESMode |= (ROMCRC == 0x552a903a) ? BUS_CONFLICTS : 0; // Huge Insect
 	NESMode |= (ROMCRC == 0xb90a1ca1) ? NO_WORKRAM : 0; // Low G Man
 	NESMode |= (ROMCRC == 0xa905cc12) ? NO_WORKRAM : 0; // Bill & Ted
+	NESMode |= (ROMCRC == 0x9cc0ee5b) ? APU_HACKERY : 0; // famidash
 	NESMode |= (ROMCRC == 0xc00c4ea5) ? APU_HACKERY : 0; // Sam's Journey
 	NESMode |= (ROMCRC == 0x585f3500) ? ALT_MMC3 : 0; // Darkwing Duck (T-Chi)
 	NESMode |= (ROMCRC == 0x38f65b2d) ? BAD_HOMEBREW : 0; // Battler (HB)